Books are the most wonderful friends in the world. When you meet them and pick them up, they are always ready to give you a few ideas. When you put them down, they never get mad; when you take them up again, they seem to enrich you all the more.

Hearing is the motion of molecules; sound is a wave in the atmosphere; solidity is the characteristic of spatial juxtaposition of atoms; smell is something given off by a body, rather than something belonging to a body.

Scepticism is never certain of itself, being less a firm intellectual position than a pose to justify bad behavior.

Never measure your generosity by what you give, but rather by what you have left.

Too many people get credit for being good, when they are only being passive.

God does not love us because we are valuable. We are valuable because God loves us.

The forgiveness of God is one thing, but the proof that we want that forgiveness is the energy we expend to make amends for the wrong.